Please cite SAGA whenever you use it for your publications:

Create cross profiles from a grid based DEM for given lines.

Name	Type	Identifier	Description	Constraints
Input
Elevation	grid, input	DEM
Lines	shapes, input	LINES
Output
Cross Profiles	shapes, output	PROFILES
Options
Profile Distance	floating point number	DIST_LINE	The distance of each cross profile along the lines.	Minimum: 0.000000 Default: 10
Profile Length	floating point number	DIST_PROFILE	The length of each cross profile.	Minimum: 0.000000 Default: 10
Profile Samples	integer number	NUM_PROFILE	The number of profile points per cross profile.	Minimum: 3 Default: 11
Interpolation	choice	INTERPOLATION		Available Choices: [0] Nearest Neighbour [1] Bilinear [2] Cubic 1 [3] Cubic 2 Default: 3
Output	choice	OUTPUT		Available Choices: [0] vertices [1] attributes [2] vertices and attributes Default: 2